System for testing power supply performance

Abstract

A system for testing DC power supply performance includes a control circuit electrically connected to the DC power supply, a test device, and a control device electrically connected to the test device. The control circuit includes a micro controller capable of outputting control signals, a switch control module, and a switch module. The switch control module receives the control signals and powers up according to the control signals. The switch module is electrically connected to the DC power supply input and output terminals respectively, under control of the switch control module. The test device is electrically connected to the switch module and is electrically connected with the DC power supply input and output terminals according to the control signals. The test device reads voltages at the DC power supply input and output terminals which are transmitted to the control device.

1. A system for testing a DC power supply performance, comprising:
 a control circuit electrically capable of being connected to the DC power supply, comprising:
 a micro controller capable of outputting control signals; 
 a switch control module capable of receiving the control signals and being powered up according to the control signals; 
 a switch module electrically connected to a DC power supply input terminal and a DC power supply output terminal respectively; wherein the switch module is controlled by the switch control module; 
 
 a test device electrically connected to the switch module; wherein the test device is capable of being electrically connected with the DC power supply input and output terminals according to the control signals; and the test device is capable of reading voltages at the DC power supply input and output terminals; and 
 a control device electrically connected to the test device; wherein the control device is capable of receiving the voltages at the DC power supply input and output terminals read by the test device. 
 
     
     
       2. The system of  claim 1 , wherein the control circuit further comprises a conversion module; the micro controller is electrically connected to the control device via the conversion module; and the control device controls the micro controller to power up the switch control module via the conversion module. 
     
     
       3. The system of  claim 2 , wherein the control circuit further comprises an indication module; the test device is capable of transmitting a feedback signal to the micro controller when a test is complete; and the indication module is capable of indicating when receives the feedback signal. 
     
     
       4. The system of  claim 3 , wherein the control circuit further comprises a power module capable of providing working voltages to the micro controller, the indication module, and the conversion module. 
     
     
       5. The system of  claim 1 , wherein the micro controller comprises a plurality of control signal output ports capable of outputting the control signals; the switch control module comprises a plurality of control windings capable of receiving the control signals; and the plurality of control windings are capable of being powered up according to the control signals. 
     
     
       6. The system of  claim 5 , wherein the switch module comprises a plurality of electronic switches; and the plurality of control windings are capable of closing the corresponding electronic switches when powered up. 
     
     
       7. The system of  claim 6 , further comprising an electronic load, a first resistor and a second resistor; the DC power supply input terminal is capable of receiving a DC voltage via the first resistor; and the DC power supply output terminal is electrically connected to the electronic load via the second resistor. 
     
     
       8. The system of  claim 7 , wherein each electronic switch comprises a first switch and a second switch; the test device is connected in parallel with the first resistor and the DC power supply input terminal via the corresponding first and second switches respectively; and the test device is connected in parallel with the second resistor and the DC power supply output terminal via the corresponding first and second switches respectively. 
     
     
       9. A system for testing a DC power supply performance, comprising:
 a micro controller capable of outputting control signals; 
 a switch control module capable of receiving the control signals and being powered up according to the control signals; 
 a switch module electrically connected to a DC power supply input terminal and a DC power supply output terminal respectively; wherein the switch module is controlled by the switch control module; and 
 a test device electrically connected to the switch module; wherein the test device is capable of being electrically connected with the DC power supply input and output terminals according to the control signals; and the test device is capable of reading voltages at the DC power supply input and output terminals. 
 
     
     
       10. The system of  claim 9 , wherein the micro controller comprises a plurality of control signal output ports that are capable of outputting the control signals; the switch control module comprises a plurality of control windings that are capable of receiving the control signals; and the plurality of control windings are capable of being powered up according to the control signals. 
     
     
       11. The system of  claim 10 , wherein the switch module comprises a plurality of electronic switches; and the plurality of control windings are capable of closing the corresponding electronic switches when powered up. 
     
     
       12. The system of  claim 9 , further comprising an electronic load, a first resistor and a second resistor; the DC power supply input terminal is capable of receiving a DC voltage via the first resistor; and the DC power supply output terminal is electrically connected to the electronic load via the second resistor. 
     
     
       13. The system of  claim 12 , wherein each electronic switch comprises a first switch and a second switch; the test device is connected in parallel with the first resistor and the DC power supply input terminal via the corresponding first and second switches respectively; and the test device is connected in parallel with the second resistor and the DC power supply output terminal via the corresponding first and second switches respectively. 
     
     
       14. A system for testing a DC power supply performance, comprising:
 a control circuit, comprising:
 a micro controller capable of outputting control signals; 
 a switch control module capable of receiving the control signals and being powered up according to the control signals; 
 a switch module electrically connected to a DC power supply input terminal and a DC power supply output terminal respectively; wherein the switch module is controlled by the switch control module; 
 
 a test device electrically connected to the switch module; wherein the test device is capable of being electrically connected with the DC power supply input and output terminals according to the control signals; and the test device is capable of reading voltages at the DC power supply input and output terminals; and 
 a control device electrically connected to the test device; wherein the control device is capable of receiving the voltages at the DC power supply input and output terminals read by the test device.